"The term over-reaching was adopted by exercise scientists to describe the short-term overload that can be managed within a few days. However, over-reaching can develop into over-training (from which it can be more difficult to recover) if the athlete does not mitigate the factors that caused the over-reaching or fails to allocate proper recovery time."

In this video, Dave explains just what occurs in the body when an athlete is over-reaching:

Here, Dave explains how to recognize over-reaching and how to combat it: